He doubted that there was anyone really out to kill Dany, unless she was getting herself involved in things she didn't tell him about, but it didn't hurt to be more cautious.
"Maybe they were shooting at him and you just happened to be there," Viserys offered. Law enforcement was a dangerous job and just about everyone in the underbelly wanted them dead.
"It'll be okay Dany," he said as he grabbed her hand and gave it a squeeze.
"You don't have to worry about Harper or anyone else. We'll be okay."